Finding the Fourth Proportional to 292,104.09, 438,233.76 and 92,428.02
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Solution
The fourth proportional to 292,104.09, 438,233.76 and 92,428.02 is: 138,666.59
Step by Step Solution
- Step 1: Write the proportion equation
292,104.09 : 438,233.76 = 92,428.02 : x - Step 2: Convert to fraction form
292,104.09/438,233.76 = 92,428.02/x - Step 3: Cross multiply
292,104.09x = 438,233.76 × 92,428.02 - Step 4: Simplify right side
292,104.09x = 40,505,078,733.96 - Step 5: Solve for x
x = 40,505,078,733.96/292,104.09 - Step 6: Final answer
x = 138,666.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.